5620438709 has 2 divisors, whose sum is σ = 5620438710. Its totient is φ = 5620438708.

The previous prime is 5620438669. The next prime is 5620438751. The reversal of 5620438709 is 9078340265.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3228739684 + 2391699025 = 56822^2 + 48905^2 .

It is a cyclic number.

It is not a de Polignac number, because 5620438709 - 2¹² = 5620434613 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5620438709.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5620438009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2810219354 + 2810219355.

It is an arithmetic number, because the mean of its divisors is an integer number (2810219355).

Almost surely, 2^5620438709 is an apocalyptic number.

It is an amenable number.

5620438709 is a deficient number, since it is larger than the sum of its proper divisors (1).

5620438709 is an equidigital number, since it uses as much as digits as its factorization.

5620438709 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 362880, while the sum is 44.

The square root of 5620438709 is about 74969.5852262769. The cubic root of 5620438709 is about 1777.9658103864.

The spelling of 5620438709 in words is "five billion, six hundred twenty million, four hundred thirty-eight thousand, seven hundred nine".